Glass Recommendations for No. 42 Alloy
Glass for Electric Feed-Through Applications
| Designation: | |
| Composition: | 42% Nickel, Balance Iron |
| Coefficient of Thermal Expansion: | 52 x 10-7 / °C |
| Seal Type | Recommended China Glass Ceramic Inc. Glass | Equivalent Glasses | ||
|---|---|---|---|---|
| Corning | GE | Kimble | ||
| Matched | 19 | IN-3 | ||
| Compression | 14 or 21
35 |
7052
7070 |
706 | EN-1
KG-33 |
| Material Summary: | ||||
| No. 42 alloy consists of 42% nickel and iron balance. Its affordability makes it a great alternative to Kovar in low expansion match seal applications. The combination of No. 42 alloy pins with Elan 14 provides strong hermetic seals with efficient insulation for electronic feed-through applications. | ||||